Effect of salt addition on supercooling property of erythritol

Motohiro Suzuki, Hironobu Machida, Hayato Satomi, Izumi Hirasawa

    研究成果: Article

    抄録

    The effect of salt addition on the supercooling properties of erythritol was investigated in an attempt to create a novel sugar alcohol type of latent heat storage material that has high thermal storage density and remains in a supercooled state at room temperature. The mechanism of the effect was also examined. Various cationic and anionic species having different valences were each added to erythritol, and their effects on supercooling properties were evaluated with crystallization temperature and supercooling retention time as indices. The supercooling retention mechanism was also investigated focused on the interaction between erythritol and each additive by NMR (Nuclear Magnetic Resonance) spectroscopy. It was found that erythritol additives containing monovalent anions are effective as supercooling stabilizers, and additives containing divalent anions are effective as supercooling inhibitors. It was also found that cationic species have a smaller influence than anionic species. Additives that include the acetate ion were found to be a capable of maintaining erythritol in a supercooled state at room temperature, and the improvement of supercooling retention was considered to be due to the interaction between the hydroxy group of erythritol and the acetate ion.

    元の言語English
    ページ(範囲)12-17
    ページ数6
    ジャーナルKagaku Kogaku Ronbunshu
    44
    発行部数1
    DOI
    出版物ステータスPublished - 2018 1 1

    Fingerprint

    Erythritol
    Supercooling
    Salts
    Anions
    Acetates
    Negative ions
    Ions
    Sugar Alcohols
    Heat storage
    Latent heat
    Crystallization
    Temperature
    Nuclear magnetic resonance spectroscopy

    ASJC Scopus subject areas

    • Chemistry(all)
    • Chemical Engineering(all)

    これを引用

    Effect of salt addition on supercooling property of erythritol. / Suzuki, Motohiro; Machida, Hironobu; Satomi, Hayato; Hirasawa, Izumi.

    :: Kagaku Kogaku Ronbunshu, 巻 44, 番号 1, 01.01.2018, p. 12-17.

    研究成果: Article

    Suzuki, Motohiro ; Machida, Hironobu ; Satomi, Hayato ; Hirasawa, Izumi. / Effect of salt addition on supercooling property of erythritol. :: Kagaku Kogaku Ronbunshu. 2018 ; 巻 44, 番号 1. pp. 12-17.
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